Pentad: Mean and Anomalous
http://www.cpc.ncep.noaa.gov/products/climate-phenomena/ENSO/olra-last-pentad.png
http://www.cpc.ncep.noaa.gov/products/climate-phenomena/ENSO/olr-last-pentad.png
Monthly
http://www.cpc.ncep.noaa.gov/products/climate-phenomena/ENSO/olra-last6pentads.png
http://www.cpc.ncep.noaa.gov/products/climate-phenomena/ENSO/olr-last6pentads.png
Anomalous Time Longitudinal Section (5°N-5°S)
http://www.cpc.ncep.noaa.gov/products/climate-phenomena/ENSO/olra-tlon.png